Select the correct statement from the following?

Select the correct statement from the following?

Options

(a) Biogas is produced by the activity of aerobic bacteria on animal waste
(b) Methanobacterium is an aerobic bacterium found in rumen of cattle
(c) Biogas, commonly called gobar gas, is pure methane
(d) Activated sludge-sediment in settlement tanks of sewage treatment plant is a rich source of aerobic bacteria

Correct Answer:

Activated sludge-sediment in settlement tanks of sewage treatment plant is a rich source of aerobic bacteria

Explanation:

No explanation available. Be the first to write the explanation for this question by commenting below.

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